NetBSD/sys/conf/Makefile.kern.inc

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# $NetBSD: Makefile.kern.inc,v 1.162 2013/09/21 22:28:12 joerg Exp $
#
# This file contains common `MI' targets and definitions and it is included
# at the bottom of each `MD' ${MACHINE}/conf/Makefile.${MACHINE}.
#
# Each target in this file should be protected with `if !target(target)'
# or `if !commands(target)' and each variable should only be conditionally
# assigned `VAR ?= VALUE', so that everything can be overriden.
#
# DEBUG is set to -g if debugging.
# PROF is set to -pg if profiling.
#
# To specify debugging, add the config line: makeoptions DEBUG="-g"
# A better way is to specify -g only for a few files.
#
# makeoptions DEBUGLIST="uvm* trap if_*"
#
# all ports are expected to include bsd.own.mk for toolchain settings
##
## (0) toolchain settings for things that aren't part of the standard
## toolchain
##
HOST_SH?= sh
DBSYM?= dbsym
MKDEP?= mkdep
STRIP?= strip
OBJCOPY?= objcopy
OBJDUMP?= objdump
CSCOPE?= cscope
MKID?= mkid
UUDECODE?= ${TOOL_UUDECODE:Uuudecode}
HEXDUMP?= ${TOOL_HEXDUMP:Uhexdump}
GENASSYM?= ${TOOL_GENASSYM:Ugenassym}
.MAKEOVERRIDES+=USETOOLS # make sure proper value is propagated
_MKMSG?= @\#
_MKSHMSG?= echo
_MKSHECHO?= echo
_MKSHNOECHO= :
_MKMSG_CREATE?= :
_MKTARGET_COMPILE?= :
_MKTARGET_CREATE?= :
##
## (1) port independent source tree identification
##
# source tree is located via $S relative to the compilation directory
.ifndef S
S!= cd ../../../..; pwd
.endif
##
## (2) compile settings
##
## CPPFLAGS, CFLAGS, and AFLAGS must be set in the port's Makefile
##
INCLUDES?= -I. ${EXTRA_INCLUDES} -I${S}/../common/include -I$S/arch \
-I$S -nostdinc
CPPFLAGS+= ${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL -D_KERNEL_OPT
CPPFLAGS+= -std=gnu99
DEFCOPTS?= -O2
COPTS?= ${DEFCOPTS}
DBG= # might contain unwanted -Ofoo
DEFWARNINGS?= yes
.if (${DEFWARNINGS} == "yes")
CWARNFLAGS+= -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith
CWARNFLAGS+= -Wmissing-prototypes -Wstrict-prototypes
CWARNFLAGS+= -Wold-style-definition
CWARNFLAGS+= -Wswitch -Wshadow
CWARNFLAGS+= -Wcast-qual -Wwrite-strings
CWARNFLAGS+= -Wno-unreachable-code
CWARNFLAGS+= -Wno-pointer-sign -Wno-attributes
. if ${MACHINE} == "i386" || ${MACHINE_ARCH} == "x86_64" || \
${MACHINE_ARCH} == "sparc64" || ${MACHINE} == "prep"
CWARNFLAGS+= -Wextra -Wno-unused-parameter
. endif
. if ${MACHINE} == "i386" || ${MACHINE_ARCH} == "x86_64"
CWARNFLAGS+= -Wold-style-definition
. endif
# Add -Wno-sign-compare. -Wsign-compare is included in -Wall as of GCC 3.3,
# but our sources aren't up for it yet.
CWARNFLAGS+= -Wno-sign-compare
.endif
CWARNFLAGS.clang+= -Wno-unknown-pragmas -Wno-conversion \
-Wno-self-assign
CWARNFLAGS.ah_regdomain.c= ${${ACTIVE_CC} == "clang":? \
-Wno-shift-count-negative -Wno-shift-count-overflow:}
CWARNFLAGS.ioconf.c= ${${ACTIVE_CC} == "clang":? -Wno-unused-const-variable :}
CFLAGS+= -ffreestanding -fno-zero-initialized-in-bss
CFLAGS+= ${DEBUG} ${COPTS}
AFLAGS+= -D_LOCORE -Wa,--fatal-warnings
# XXX
.if defined(HAVE_GCC) || defined(HAVE_LLVM)
CFLAGS+= -fno-strict-aliasing
CFLAGS+= -fno-common
.endif
.if ${USE_SSP:Uno} == "yes"
COPTS.kern_ssp.c+= -fno-stack-protector -D__SSP__
.endif
# for multi-cpu machines, cpu_hatch() straddles the init of
# __stack_chk_guard, so ensure stack protection is disabled
.if ${MACHINE} == "i386" || ${MACHINE_ARCH} == "x86_64"
COPTS.cpu.c+= -fno-stack-protector
.endif
# If we want the bpendtsleep: label in kern_synch.c, we need to use
# -fno-reorder-blocks. Don't make this a config(1) defflag without
# making sure this fragment remains valid.
.if defined(HAVE_GCC) && !empty(${CFLAGS:M-DKERN_SYNCH_BPENDTSLEEP_LABEL})
COPTS.kern_synch.c+= -fno-reorder-blocks
.endif
# Use the per-source COPTS variables to add -g to just those
# files that match the shell patterns given in ${DEBUGLIST}
#
.for i in ${DEBUGLIST}
. for j in ${CFILES:T:M$i.c}
COPTS.${j}+=-g
. endfor
.endfor
# Always compile debugsyms.c with debug information.
# This allows gdb to use type informations.
#
COPTS.debugsyms.c+= -g
# Add CTF sections for DTrace
.if defined(CTFCONVERT)
COMPILE_CTFCONVERT= ${_MKSHECHO}\
${CTFCONVERT} ${CTFFLAGS} ${.TARGET} && \
${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
.else
COMPILE_CTFCONVERT= ${_MKSHNOECHO}
.endif
# compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or
# NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file).
NORMAL_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}" && \
${_MKSHECHO}\
${CC} ${COPTS.${<:T}} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< && \
${CC} ${COPTS.${<:T}} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< && \
${COMPILE_CTFCONVERT}
NOPROF_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}" && \
${_MKSHECHO}\
${CC} ${COPTS.${<:T}} ${CFLAGS} ${CPPFLAGS} -c $< && \
${CC} ${COPTS.${<:T}} ${CFLAGS} ${CPPFLAGS} -c $< && \
${COMPILE_CTFCONVERT}
NORMAL_S?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}" && \
${_MKSHECHO}\
${CC} ${AFLAGS} ${AFLAGS.${<:T}} ${CPPFLAGS} -c $< && \
${CC} ${AFLAGS} ${AFLAGS.${<:T}} ${CPPFLAGS} -c $<
##
## (3) libkern and compat
##
## Set KERN_AS in the port Makefile to "obj" or "library". The
## default is "library", as documented in $S/lib/libkern/Makefile.inc.
##
### find out what to use for libkern
.include "$S/lib/libkern/Makefile.inc"
.ifndef PROF
LIBKERN?= ${KERNLIB}
.else
LIBKERN?= ${KERNLIB_PROF}
.endif
LIBKERNLN?= ${KERNLIBLN}
### find out what to use for libcompat
.include "$S/compat/common/Makefile.inc"
.ifndef PROF
SYSLIBCOMPAT?= ${COMPATLIB}
.else
SYSLIBCOMPAT?= ${COMPATLIB_PROF}
.endif
SYSLIBCOMPATLN?= ${COMPATLIBLN}
##
## (4) local objects, compile rules, and dependencies
##
## Each port should have a corresponding section with settings for
## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same.
##
MI_CFILES=devsw.c ioconf.c param.c
# the need for a MI_SFILES variable is dubitable at best
MI_OBJS=${MI_CFILES:S/.c/.o/}
param.c: $S/conf/param.c
${_MKTARGET_CREATE}
rm -f param.c
cp $S/conf/param.c .
param.o: Makefile
.for _cfile in ${MI_CFILES}
${_cfile:T:R}.o: ${_cfile}
${NORMAL_C}
.endfor
##
## (5) link settings
##
## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must
## be set in the port's Makefile. The port specific definitions for
## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS
## depending on the value of DEBUG.
##
# load lines for config "xxx" will be emitted as:
# xxx: ${SYSTEM_DEP} swapxxx.o
# ${SYSTEM_LD_HEAD}
# ${SYSTEM_LD} swapxxx.o
# ${SYSTEM_LD_TAIL}
SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS:O} ${SYSLIBCOMPAT} ${LIBKERN}
SYSTEM_DEP+= Makefile ${SYSTEM_OBJ:O} .gdbinit
.if defined(KERNLDSCRIPT)
SYSTEM_DEP+= ${KERNLDSCRIPT}
.endif
.if defined(CTFMERGE)
SYSTEM_CTFMERGE= ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o
.else
SYSTEM_CTFMERGE= ${_MKSHECHO}
.endif
SYSTEM_LD_HEAD?=@rm -f $@
SYSTEM_LD?= @${_MKSHMSG} " link ${.CURDIR:T}/${.TARGET}"; \
${_MKSHECHO}\
${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o; \
${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o
AUTO_SYMTAB_SPACE?= yes
.if empty(AUTO_SYMTAB_SPACE:M[Yy][Ee][Ss]) || defined(_SYMTAB_SPACE_ADJUSTED)
SYSTEM_LD_TAIL_DBSYM?= true
.else
SYSTEM_LD_TAIL_DBSYM?= \
if grep '^\#define.*SYMTAB_SPACE' opt_ksyms.h > /dev/null; then \
_modify_opt_ksyms_h () { \
${TOOL_SED} \
-e 's/^\(\#define.*SYMTAB_SPACE[ ]*\)[0-9]*/\1'$$1/ \
-e 's/\(.equiv[ ]*_KERNEL_OPT_SYMTAB_SPACE,0x\)[0-9a-f]*/\1'$$(printf %x $$1)/ \
opt_ksyms.h > opt_ksyms.h.ADJ && \
mv opt_ksyms.h.ADJ opt_ksyms.h && \
${MAKE} ${MFLAGS} _SYMTAB_SPACE_ADJUSTED=1 $@; \
}; \
_adj_symtab_space () { \
set -- $$(${DBSYM} -p $@); \
echo Symtab size: $$1, space: $$2; \
if [ "$$1" -gt "$$2" ]; then \
echo Adjusting symtab space; \
rm -f $@; \
_modify_opt_ksyms_h $$1; \
fi; \
}; \
_adj_symtab_space; \
fi
.endif
TEXTADDR?= ${LOADADDRESS} # backwards compatibility
LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/}
LINKDATA?= ${DATAADDR:C/.+/-Tdata &/}
ENTRYPOINT?= start
LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/}
LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \
${EXTRA_LINKFLAGS}
LINKFLAGS_DEBUG?= -X
#
# If we're relinking due to _SYMTAB_SPACE_ADJUSTED then don't perform
# SYSTEM_LD_TAIL{,_DEBUG}. They'll be done in the parent invocation.
#
.if defined(_SYMTAB_SPACE_ADJUSTED)
SYSTEM_LD_TAIL?=true
SYSTEM_LD_TAIL_DEBUG?=true
.else
SYSTEM_LD_TAIL?=@${SYSTEM_LD_TAIL_DBSYM} ; \
${TOOL_SED} '/const char sccs/!d;s/.*@(.)//;s/\\.*//' vers.c; \
${SIZE} $@; chmod 755 $@; \
${SYSTEM_CTFMERGE}
SYSTEM_LD_TAIL_DEBUG?=; \
echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \
echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \
${STRIP} ${STRIPFLAGS} -o $@ $@.gdb
.endif
LINKFLAGS_NORMAL?= -S
STRIPFLAGS?= -g
DEBUG?=
.if !empty(DEBUG:M-g*)
SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG}
LINKFLAGS+= ${LINKFLAGS_DEBUG}
EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@}
CTFFLAGS+= -g
.if !defined(_SYMTAB_SPACE_ADJUSTED)
SYSTEM_LD_TAIL+=; \
if grep '^\#define.*SYMTAB_SPACE' opt_ksyms.h > /dev/null; then \
echo "${DBSYM} $@.gdb"; \
${DBSYM} $@.gdb || (rm -f $@ ; exit 1) || exit 1; \
fi
.endif
.elifndef PROF
LINKFLAGS+= ${LINKFLAGS_NORMAL}
.endif
#
# More steps to skip if we're relinking due to _SYMTAB_SPACE_ADJUSTED (see
# above)
#
.if !defined(_SYMTAB_SPACE_ADJUSTED)
SYSTEM_LD_TAIL+=; \
if grep '^\#define.*SYMTAB_SPACE' opt_ksyms.h > /dev/null; then \
echo "${DBSYM} $@"; \
${DBSYM} $@ || (rm -f $@ ; exit 1) || exit 1; \
fi
SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA}
SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA}
.endif
##
## (6) port independent targets and dependencies: assym.h, vers.o
##
.if !target(assym.h)
assym.h: ${GENASSYM_CONF} ${GENASSYM_EXTRAS}
${_MKTARGET_CREATE}
cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \
${GENASSYM} -- ${CC} ${CFLAGS:N-Wa,*} ${CPPFLAGS} ${PROF} \
> assym.h.tmp && \
mv -f assym.h.tmp assym.h
${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h
.endif
MKREPRO?=no
.if ${MKREPRO} == "yes"
_NVFLAGS=${NVFLAGS} -r
.else
_NVFLAGS=${NVFLAGS}
.endif
.if !target(vers.o)
newvers: vers.o
vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh \
$S/conf/osrelease.sh ${_NETBSD_VERSION_DEPENDS}
${_MKMSG_CREATE} vers.c
${HOST_SH} $S/conf/newvers.sh ${_NVFLAGS}
${_MKTARGET_COMPILE}
${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c
.endif
.if defined(MEMORY_DISK_IMAGE)
md_root_image.h: ${MEMORY_DISK_IMAGE}
${_MKTARGET_CREATE}
${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET}
# XXX This is only needed when building md_root.o
CPPFLAGS+= -DMEMORY_DISK_IMAGE
md_root.o: md_root_image.h
.endif
# depend on MEMORY_DISK_IMAGE configuration
md_root.o: Makefile
# depend on root or device configuration
autoconf.o conf.o: Makefile
# depend on network or filesystem configuration
uipc_proto.o vfs_conf.o: Makefile
# depend on maxusers and CPU configuration
assym.h machdep.o: Makefile
##
## (7) misc targets: install, clean(dir), depend(all), lint, links, tags,
## cscope, mkid
##
## Any ports that have other stuff to be cleaned up should fill in
## EXTRA_CLEAN. Some ports may want different settings for
## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS.
##
.if !target(__CLEANKERNEL)
__CLEANKERNEL: .USE
${_MKMSG} "${.TARGET}ing the kernel objects"
rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \
[Ee]rrs linterrs makelinks assym.h.tmp assym.h \
${EXTRA_KERNELS} ${EXTRA_CLEAN}
.endif
.if !target(kernelnames)
kernelnames:
@echo "${KERNELS} ${EXTRA_KERNELS}"
.endif
.if !target(__CLEANDEPEND)
__CLEANDEPEND: .USE
echo .depend ${DEPS} | xargs rm -f --
.endif
# do not !target these, the kern and compat Makefiles augment them
cleandir distclean: __CLEANKERNEL __CLEANDEPEND
clean: __CLEANKERNEL
depend: .depend
dependall: depend .WAIT all
.if !target(.depend)
MKDEP_AFLAGS?= ${AFLAGS}
MKDEP_CFLAGS?= ${CFLAGS}
SSRCS=${MD_SFILES} ${SFILES}
CSRCS=${MD_CFILES} ${MI_CFILES} ${CFILES}
SRCS=${SSRCS} ${CSRCS}
DEPS= ${SRCS:T:O:u:R:S/$/.d/g}
.for _s in ${SSRCS}
.if !target(${_s:T:R}.d)
${_s:T:R}.d: ${_s} assym.h
${_MKTARGET_CREATE}
${MKDEP} -f ${.TARGET} -- ${MKDEP_AFLAGS} \
${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s}
.endif
.endfor
.for _s in ${CSRCS}
.if !target(${_s:T:R}.d)
${_s:T:R}.d: ${_s}
${_MKTARGET_CREATE}
${MKDEP} -f ${.TARGET} -- ${MKDEP_CFLAGS} \
${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s}
.endif
.endfor
assym.d: assym.h
${_MKTARGET_CREATE}
cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \
${GENASSYM} -- ${MKDEP} -f assym.dep -- \
${CFLAGS:N-Wa,*} ${CPPFLAGS}
${TOOL_SED} -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >${.TARGET}
rm -f assym.dep
DEPS+= assym.d
.depend: ${DEPS}
${_MKTARGET_CREATE}
echo "${.ALLSRC}" | ${MKDEP} -D
.endif
.if !target(lint)
ALLSFILES?= ${MD_SFILES} ${SFILES}
LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g}
KERNLINTFLAGS?= -bcehnxzFS
NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $<
_lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES}
LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${SYSLIBCOMPATLN}
.for _sfile in ${ALLSFILES}
LintStub_${_sfile:T:R}.c: ${_sfile} assym.h
${_MKTARGET_COMPILE}
${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \
${TOOL_AWK} -f $S/kern/genlintstub.awk >${.TARGET}
.endfor
.for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES}
${_cfile:T:R}.ln: ${_cfile}
${_MKTARGET_COMPILE}
${NORMAL_LN}
.endfor
lint: ${LOBJS}
${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS}
.endif
# Attempt to do a syntax-only compile of the entire kernel as one entity.
# Alas, bugs in the GCC C frontend prevent this from completely effective
# but information can be gleaned from the output.
syntax-only: ${CFILES} ${MD_CFILES}
${CC} -fsyntax-only -combine ${CFLAGS} ${CPPFLAGS} \
${CFILES} ${MD_CFILES}
# List of kernel images that will be installed into the root file system.
# Some platforms may need to install more than one (e.g. a netbsd.aout file
# to be loaded directly by the firmware), so this can be overriden by them.
KERNIMAGES?= netbsd
.if !target(install)
# The install target can be redefined by putting a
# install-kernel-${MACHINE_NAME} target into /etc/mk.conf
MACHINE_NAME!= uname -n
install: install-kernel-${MACHINE_NAME}
.if !target(install-kernel-${MACHINE_NAME})
install-kernel-${MACHINE_NAME}:
.for _K in ${KERNIMAGES}
rm -f ${DESTDIR}/o${_K}
ln ${DESTDIR}/${_K} ${DESTDIR}/o${_K}
cp ${_K} ${DESTDIR}/n${_K}
mv ${DESTDIR}/n${_K} ${DESTDIR}/${_K}
.endfor
.endif
.endif
.if !target(tags)
tags:
@echo "see $S/kern/Makefile for tags"
.endif
EXTRA_CLEAN+= cscope.out cscope.tmp
.if !target(cscope.out)
cscope.out: Makefile depend
${_MKTARGET_CREATE}
@${TOOL_SED} 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend \
| tr -s ' ' '\n' \
| ${TOOL_SED} ';s|^../../||;' \
> cscope.tmp
@${TOOL_SED} 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend \
| tr -s ' ' '\n' \
| ${TOOL_SED} 's|^../../||;' \
>> cscope.tmp
@echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \
${CSCOPE} -k -i - -b `echo ${INCLUDES} | ${TOOL_SED} s/-nostdinc//`
# cscope doesn't write cscope.out if it's uptodate, so ensure
# make doesn't keep calling cscope when not needed.
@rm -f cscope.tmp; touch cscope.out
.endif
.if !target(cscope)
cscope: cscope.out
@${CSCOPE} -d
.endif
EXTRA_CLEAN+= ID
.if !target(mkid)
.PHONY: mkid
mkid: ID
ID: Makefile depend
${_MKTARGET_CREATE}
@${MKID} \
`${TOOL_SED} 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' \
lib/kern/.depend lib/compat/.depend \
| tr ' ' '\n' \
| ${TOOL_SED} "s|^../../||" \
| sort -u` \
`${TOOL_SED} 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' \
.depend \
| tr ' ' '\n' \
| sort -u`
.endif
.include "${S}/gdbscripts/Makefile.inc"
EXTRA_CLEAN+= .gdbinit
.gdbinit: Makefile ${S}/gdbscripts/Makefile.inc
${_MKTARGET_CREATE}
rm -f .gdbinit
.for __gdbinit in ${SYS_GDBINIT}
echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit
.endfor
.if defined(GDBINIT) && !empty(GDBINIT)
.for __gdbinit in ${GDBINIT}
echo "source ${__gdbinit}" >> .gdbinit
.endfor
.endif
# The following files use alloca(3) or variable array allocations.
# Their full name is noted as documentation.
VARSTACK=kern/uipc_socket.c miscfs/genfs/genfs_vnops.c \
nfs/nfs_bio.c uvm/uvm_bio.c \
uvm/uvm_pager.c dev/ic/aic7xxx.c dev/ic/aic79xx.c arch/xen/i386/gdt.c \
dev/ofw/ofw_subr.c
.for __varstack in ${VARSTACK}
COPTS.${__varstack:T} += -Wno-stack-protector
.endfor
AFLAGS+= ${AOPTS.${.IMPSRC:T}}
CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}}
CPPFLAGS+= ${CPPFLAGS.${.IMPSRC:T}}
CWARNFLAGS+= ${CWARNFLAGS.${.IMPSRC:T}}
.include <bsd.files.mk>
.include <bsd.clang-analyze.mk>
##
## the end
##